The hypocotyls of Beta vulgaris are highly sensitive to apogeotropism.

Two instances of this were observed with the hypocotyls of Beta vulgaris, one of which is shown in Fig.

Beta vulgaris (Polygoneae).- Alargenumber of seedlings were observed on three occasions.

Beta vulgaris (Chenopodiaceae).-Highlyself-fertile

Beta vulgaris: circumnutation of hypocotyl, deflected by the light being slightly lateral, traced on a horizontal glass from 8.30 A.M. to 5.30 P.M.